Submission #1106415

#	Time	Username	Problem	Language	Result	Execution time	Memory
1106415		stdfloat	Bomb (IZhO17_bomb)	C++17	9 / 100	1100 ms	7180 KiB

bomb

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n, m;
	cin >> n >> m;

	vector<string> a(n);
	for (auto &i : a)
		cin >> i;

	int mn1 = n, mn2 = m;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			if (a[i][j] == '0') continue;

			int l = j, r = j;
			while (0 < l && a[i][l - 1] == '1') l--;
			while (r + 1 < m && a[i][r + 1] == '1') r++;
			mn1 = min(mn1, r - l + 1);
		
			l = r = i;
			while (0 < l && a[l - 1][j] == '1') l--;
			while (r + 1 < n && a[r + 1][j] == '1') r++;
			mn2 = min(mn2, r - l + 1);
		}
	}

	cout << mn1 * mn2;
}

• Subtask 1: 9 / 100